Application: Engine Turning Tool Used to rotate engine flywheel to lock engine at "TDC" to check high pressure pump timing Compatible With: Engine Turning Tool and Timing Set jde81-1, Jde81-4 Compatible with for Engine.(4024, 4039, 4045, 4239, 4276, 6359, 6619, 6059, 6068, 6076, 6081, 6090, 6105, 6125 and 6135 engines) Simple Installation: JDE81-1 Turning Tool and JDE81-4 Timing (METAL) Direct replacement, NOT require any modification High-Quality: Engine Turning Tool Made from high-quality materials for ultimate durability Manufactured to meet or exceed quality requirements. Color:Black Material:Metal Package Contents: 1 x Engine Turning Tool and Timing Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.